Today, Grails 1.1.1. was released with support for deploying applications on the Google App Engine. Here are five reasons why I think Flex Developers will fall in love with a Grails / GAE backend. Continue reading →

When trying to access external websites like the Flickr API or Google domains with Flex, we often run into the dreaded #2148 Security Exception error. . In this post, I show you how easy it is to solve this using Groovy and Grails ( it’s one line ). Continue reading →

FQL is the query language used in Facebook to access tables and relationships. All the top level calls available within facebook APIs ( such as getFriends() ) are simply wrappers around FQL calls. In this post, I will show you how to use the newly released Adobe Flex / Facebook API to invoke FQL commands.

I’m a big fan of the e4x implementation in Flex. Elegant and powerful, it allows a versatile and dynamic way of passing data across components. In this post, I’ll describe how to access data in this raw XML format within the newly updated Facebook / Flex API.

If you’re a fan of the way Flex handles XML via e4x, you’re probably disappointed that all the new examples posted on the Adobe developer connection create new ActionScript objects to represent facebook instances. In this post, I’ll briefly describe how to work with XML instances directly and describe some of benefits of this approach. Continue reading →

Update : This code has been merged into the Grails 1.1.1. release of the App Engine Plugin, please see the Spring Source Blog for a screencast and how to use this.

I spent a few hours trying to understand how JDO works on the app engine yesterday. I had some experience tinkering with the Grails templating system, and thought it would be a neat experiment to port the Templates into JDO / Persistence Manager. Here is a full working CRUD template for Grails based on JDO. The intent here is to rewrite the controllers to use JDO while retaining complete compatibility of the views. Continue reading →